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1999 Ford Expedition Question: What can I check beside leaks,spark plugs,coils and connectors

 

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915tommyboy74, 5.4L V8, El Paso, TX, April 12, 2013, 18:21
 Rookie

Checked with a Valve Guage Tester and read Late Ingition Timing
I have checked for leaks
Coil on plugs good
Put new spark plugs

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    April 12, 2013, 18:37
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     Master

    What are you checking for, tell us what the problem is!

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    915tommyboy74, April 12, 2013, 21:01
     Rookie

    Did a tune up.
    Started to run with a rough idle and smoking
    Was not doing this before tune up
    Rechecked everything to make sure
    So checked with a gauge and it read LATE INGITION TIMING
    Also no codes have come out
    So trying to find out what has caused this
    It also wants to stall

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    arturo08, April 12, 2013, 23:31
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     Master

    try dis connect battery for a few minutes. comp. should go to default. might help.

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